Shelf



FIG. 1 is a side elevational perspective view of a shelf;

FIG. 2 is a front perspective view of the shelf of FIG. 1;

FIG. 3 is a top front view of the shelf of FIG. 1;

FIG. 4 is a right side plan view of the shelf of FIG. 1;

FIG. 5 is a left side plan view of the shelf of FIG. 1; and

FIG. 6 is a bottom perspective view of the shelf of FIG. 1; and,

FIG. 7 is a top rear view of the shelf of FIG. 1.

The elements shown in broken lines in FIGS. 1–7 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a shelf, as shown and described. 